after the holidays I am moving up to DSLR land. currently have a Canon S3 I am looking at the D40. what lenses do you guys recommend? I generally take indoor pics - kung fu, soccer... party pics - decent zoom would be nice outdoor - i like flowers and waterfalls (ya, gay) I wold like to get everythng for ~1000 - 1200 how are sigma lenses compared to nikor? thanks in advance for the help I am not dumb when it comes to photography, just wanna make the most informed decision possible.